| All Patents in class 144/77 |
Patents 16 -
30
of 33
      |
| Number | Date | Patentee | Title | Type |
| 99,155 | Jan. 25, 1870 | M.E. Campfield | Improvement in mortising-machine | mortising machines |
| 100,813 | Mar. 15, 1870 | J. Skipp | Improvement in mortising-machines | mortising machines |
| 111,472 | Jan. 31, 1871 | J. Peters | Improvement in boring and mortising-machines | mortising machines |
| 119,007 | Sep. 19, 1871 | H. Bickford | Improvement in mortising-machines | mortising machines |
| 120,993 | Nov. 14, 1871 | S.R. Smith, E. Myers | Rail-car mortiser | mortising machines |
| 135,337 | Jan. 28, 1873 | L. Houston | Improvement in mortising machines | mortising machines |
| 149,466 | Apr. 07, 1874 | D.L. Gibbs | Improvement in mortising-machines | mortising machines |
| 152,473 | Jun. 30, 1874 | G.B. Durkee | Improvement in mortising-machines | mortising machines |
| 157,309 | Dec. 01, 1874 | G.W. Bugbee | Improvement in mortising-machines | mortising machines |
| 266,156 | Oct. 17, 1882 | L. Houston | Mortising-machine | mortising machines |
| 266,871 | Oct. 31, 1882 | W.S. Morgan | Bench mortising-machine | mortising machines |
| 304,060 | Aug. 26, 1884 | R.H. Andrews | Mortising and boring machine | drilling and boring |
| 343,217 | Jun. 08, 1886 | H.A. Axtell | Mortising and boring machine | mortising machines |
| 345,637 | Jul. 13, 1886 | I.W. Johnson | Mortising machine | mortising machines |
| 366,822 | Jul. 19, 1887 | J. du Franes | Combined mortising and tenoning machine | mortising machines |
